| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not be used [prep] [adj] | 35 |
|
| 2 | not [be] used [prep] [adj] | 27 |
|
| 3 | not be used [prep] [adj] | 27 |
|
| 4 | not [be] used for [adj] | 14 |
|
| 5 | not [be] used in [adj] | 8 |
|
| 6 | not been used [prep] [adj] | 5 |
|
| 7 | not [been] used [prep] [adj] | 5 |
|
